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Don't allow implementing trait directly on type-alias-impl-trait #76940

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merged 1 commit into from
Sep 20, 2020

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Aaron1011
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This is specifically disallowed by the RFC, but we never added a check
for it.

Fixes #76202

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r? @davidtwco

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@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Sep 19, 2020
This is specifically disallowed by the RFC, but we never added a check
for it.

Fixes rust-lang#76202
@jyn514 jyn514 added F-type_alias_impl_trait `#[feature(type_alias_impl_trait)]` requires-nightly This issue requires a nightly compiler in some way. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. A-impl-trait Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch. labels Sep 20, 2020
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oli-obk commented Sep 20, 2020

r? @oli-obk

@bors r+ rollup

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bors commented Sep 20, 2020

📌 Commit 367efa8 has been approved by oli-obk

@rust-highfive rust-highfive assigned oli-obk and unassigned davidtwco Sep 20, 2020
@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Sep 20, 2020
RalfJung added a commit to RalfJung/rust that referenced this pull request Sep 20, 2020
Don't allow implementing trait directly on type-alias-impl-trait

This is specifically disallowed by the RFC, but we never added a check
for it.

Fixes rust-lang#76202
bors added a commit to rust-lang-ci/rust that referenced this pull request Sep 20, 2020
Rollup of 15 pull requests

Successful merges:

 - rust-lang#76732 (Add docs for `BasicBlock`)
 - rust-lang#76832 (Let backends define custom targets)
 - rust-lang#76866 (Remove unused feature gates from library/ crates)
 - rust-lang#76875 (Move to intra-doc links in library/alloc/src/collections/binary_heap.rs)
 - rust-lang#76876 (Move to intra-doc links in collections/btree/map.rs and collections/linked_list.rs)
 - rust-lang#76877 (Move to intra-doc links in collections/vec_deque.rs and collections/vec_deque/drain.rs)
 - rust-lang#76878 (Move the version number to a plaintext file)
 - rust-lang#76883 (README.md: Remove prompts from code blocks)
 - rust-lang#76887 (Add missing examples on HashSet iter types)
 - rust-lang#76890 (use matches!() macro for simple if let conditions)
 - rust-lang#76891 (don't take `TyCtxt` by reference)
 - rust-lang#76910 (transmute: use diagnostic item)
 - rust-lang#76924 (Add tracking issue for feature(unix_socket_peek))
 - rust-lang#76926 (BTreeMap: code readability tweaks)
 - rust-lang#76940 (Don't allow implementing trait directly on type-alias-impl-trait)

Failed merges:

r? `@ghost`
@bors bors merged commit fc58224 into rust-lang:master Sep 20, 2020
@rustbot rustbot added this to the 1.48.0 milestone Sep 20, 2020
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A-impl-trait Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch. F-type_alias_impl_trait `#[feature(type_alias_impl_trait)]` requires-nightly This issue requires a nightly compiler in some way. S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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Successfully merging this pull request may close these issues.

Internal compiler error with feature type_alias_impl_trait on nightly
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